70106: Invalid AWS credentials

When uploading AWS credentials to Twilio make sure:

• AWS key matches the regex: (?<![A-Z0-9])[A-Z0-9]{20}(?![A-Z0-9])
• AWS secret matches the regex: (?<![A-Za-z0-9/+=])[A-Za-z0-9/+=]{40}(?![A-Za-z0-9/+=])

• Validate the credentials and upload them again.